Okada, Eiji
Keio University,
Japan
2025 Rank: 381,491
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 1,562 out of 80,301 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 381,491 | 339,435 |
| Total Cites | 2,360 | 2,861 |
| H-index | 17 | 21 |
| Hm-index | 7 | 9 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 21 | 26 |
| Number of Single+First Authored Papers | 36 | 36 |
| Total Cites to Single+First Authored Papers | 1,136 | 1,315 |
| Number of Single+First+Last Authored Papers | 173 | 173 |
| Total Cites to Single+First+Last Authored Papers | 1,862 | 2,198 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,742 | 1,985 |
| Ratio of Total Citations to Distinct Citing Papers | 1.35 | 1.44 |
| Self-Citation Percentage |
17.51%
|
|
Okada, Eiji
Keio University,
Japan
2024 Rank: 360,899
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 1,515 out of 78,127 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 360,899 | 324,493 |
| Total Cites | 2,299 | 2,795 |
| H-index | 17 | 21 |
| Hm-index | 7 | 9 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 18 | 23 |
| Number of Single+First Authored Papers | 36 | 36 |
| Total Cites to Single+First Authored Papers | 1,106 | 1,285 |
| Number of Single+First+Last Authored Papers | 171 | 171 |
| Total Cites to Single+First+Last Authored Papers | 1,814 | 2,151 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,692 | 1,930 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.45 |
| Self-Citation Percentage |
17.75%
|
|
Okada, Eiji
Keio University,
Japan
2023 Rank: 328,680
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optoelectronics & Photonics
SubField 2:
Optics
Rank in SubField 1: 1,632 out of 123,678 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 328,680 | 309,491 |
| Total Cites | 2,246 | 2,732 |
| H-index | 18 | 20 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 18 | 23 |
| Number of Single+First Authored Papers | 36 | 36 |
| Total Cites to Single+First Authored Papers | 1,085 | 1,264 |
| Number of Single+First+Last Authored Papers | 168 | 168 |
| Total Cites to Single+First+Last Authored Papers | 1,783 | 2,117 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,644 | 1,874 |
| Ratio of Total Citations to Distinct Citing Papers | 1.37 | 1.46 |
| Self-Citation Percentage |
17.79%
|
|
Okada, Eiji
Keio University,
Japan
2022 Rank: 313,538
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 1,157 out of 64,044 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 313,538 | 289,170 |
| Total Cites | 2,152 | 2,630 |
| H-index | 17 | 20 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 17 | 22 |
| Number of Single+First Authored Papers | 36 | 36 |
| Total Cites to Single+First Authored Papers | 1,048 | 1,227 |
| Number of Single+First+Last Authored Papers | 167 | 167 |
| Total Cites to Single+First+Last Authored Papers | 1,723 | 2,056 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,575 | 1,801 |
| Ratio of Total Citations to Distinct Citing Papers | 1.37 | 1.46 |
| Self-Citation Percentage |
18.17%
|
|
Okada, Eiji
Keio University,
Japan
2021 Rank: 310,013
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Optoelectronics & Photonics
Rank in SubField 1: 1,237 out of 64,512 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 310,013 | 286,245 |
| Total Cites | 2,075 | 2,516 |
| H-index | 17 | 20 |
| Hm-index | 7 | 8 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 17 | 22 |
| Number of Single+First Authored Papers | 32 | 32 |
| Total Cites to Single+First Authored Papers | 1,003 | 1,157 |
| Number of Single+First+Last Authored Papers | 142 | 142 |
| Total Cites to Single+First+Last Authored Papers | 1,658 | 1,959 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 1,518 | 1,726 |
| Ratio of Total Citations to Distinct Citing Papers | 1.37 | 1.46 |
| Self-Citation Percentage |
17.53%
|
|
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